Question

A pair of linear equations which has a unique solution x=1 and y=-3 is:
a. x-y =4,2x+3y=5
b. 2x-y=5,5x+2y=11
c. 3x+y=0,x+2y=-5
d. x+y=-2,4x+3y=5

Answer 1

Hi friends

A pair of linear equations which has a unique solution x=1 and y=-3 is:
C. 3x+y=0,x+2y=-5

thank you

Answer 2

the answer is 3x+y=0,x+2y=-5
sol-. 3(1)+(-3)=0,1+2(-3)=-5
3-3=0,1-6=-5
0=0,-5=-5

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